/*符号样式*/
.sign{
    border: 1px solid rgba(0, 0, 0, 0.25);  /*边框*/
    text-align: center;                     /*文字居中*/
    cursor: pointer;                        /*鼠标变小手*/
}
.sign:hover{
    background-color: #f5f5f5;              /*鼠标放上去背景变浅色*/
}

.externalImgModel [class="ant-modal-confirm-content"] {
    height: 75vh;
}